AirHint found the following cheapest return flights from Riyadh (RUH) to Washington (IAD) in July 2025 (see full year).

Return flights

29 Jul - 05 Aug	KLM
30 Jul - 06 Aug	KLM
30 Jul - 11 Aug	Delta
23 Jul - 28 Jul	KLM
24 Jul - 31 Jul	Delta
25 Jul - 28 Jul	Air France
25 Jul - 15 Aug	Air France
26 Jul - 01 Aug	Delta
30 Jul - 01 Aug	KLM
30 Jul - 01 Aug	Saudia	direct
30 Jul - 06 Aug	Saudia	direct
23 Jul - 28 Jul	Saudia	direct
25 Jul - 01 Aug	Saudia	direct
25 Jul - 28 Jul	Saudia	direct
25 Jul - 15 Aug	Saudia	direct

Also check the deals for one-way flights from Riyadh to Washington in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Riyadh to Washington in July from 723€

Return flights